The OEIS is supported by the many generous donors to the OEIS Foundation.
Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 21 |
| 3 | 321 |
| 4 | 7721 |
| 5 | 184729 |
| 6 | 185145 |
| 7 | 21110729 |
| 8 | 54929017 |
| 9 | 134099385 |
| 10 | 3331670169 |
[2,21,321,7721,184729,185145,21110729,54929017, 134099385,3331670169] |